I have two things to offer- a new study and a story. Antiviral activity of micafungin against enterovirus 71 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4907259/ Be sure to look at Additional File 6, it describes the reduced response to Coxsakie B-3. And now the story- About 5 years ago before we had even heard of CFS and we were still trying to figure out what was going on with my wife I became convinced that she could have a fungal infection in her bile ducts, there were a number of reasons I believed this and had some Dr.s who agreed but most did not. I eventually wrote to a Dr. who had authored a study on this condition and he called me at home one Friday night. His recommendation (his words were "if she was my patient...") was 30 days of Fluconazole and if that didn't work we'd have to try IV anti-fungals. We did the 30 days and no change so I went looking for a Dr. to treat her with an IV anti-fungal, which I found. The IV drug we chose for several reasons was Micafungin . She was given an IV dose daily for 2 weeks, at the end she felt better. Most importantly her body weight went from 93 lbs. before treatment to 99 lbs. 6 weeks after treatment and her resting heart rate went from 130 before treatment down to 105 after (this was before we had ever heard of POTS). Unfortunately it did not "cure" her and she continued to decline after a period of time although her body weight has remained normal (for her 110 lbs.) since then. I have always believed she had the fungal infection but since then she has been diagnosed by Dr. Chia with a Coxsakie B4 infection in the muscles of her small bowel. This study is newly published, I have a call into Dr. Chia to schedule a phone conference to discuss it with him.